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130449564 = 22327273951
BaseRepresentation
bin1111100011010…
…00000010011100
3100002110112011100
413301220002130
5231343341224
620535553100
73142542300
oct761500234
9302415140
10130449564
11676a9763
123782b790
13210452bb
1413479d00
15b6bbac9
hex7c6809c

130449564 has 54 divisors (see below), whose sum is σ = 383589024. Its totient is φ = 37270800.

The previous prime is 130449563. The next prime is 130449587. The reversal of 130449564 is 465944031.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130449563) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 35212 + ... + 38739.

Almost surely, 2130449564 is an apocalyptic number.

130449564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

130449564 is an abundant number, since it is smaller than the sum of its proper divisors (253139460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130449564 is a wasteful number, since it uses less digits than its factorization.

130449564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73975 (or 73963 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 130449564 is about 11421.4519217129. The cubic root of 130449564 is about 507.1629787767.

The spelling of 130449564 in words is "one hundred thirty million, four hundred forty-nine thousand, five hundred sixty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 84 98 126 147 196 252 294 441 588 882 1764 73951 147902 221853 295804 443706 517657 665559 887412 1035314 1331118 1552971 2070628 2662236 3105942 3623599 4658913 6211884 7247198 9317826 10870797 14494396 18635652 21741594 32612391 43483188 65224782 130449564